Complaints about the 2023 Mack Granite (GR) peaked in 2023, with 2 filed
Owner complaints about this model year, by the year they were filed with NHTSA.
Truck, diesel, 6x4, built in United States. Owner complaints on file from Jul 24, 2023 to Jul 25, 2023.
Owner complaints about this model year, by the year they were filed with NHTSA.
Owner complaints by component. Hover or focus a bar for the crash, fire, injury or death count.
Check a specific vehicle by VIN on NHTSA's site: a campaign may cover only part of a model year's production.
| Campaign | Filed | Subject | Component | Vehicles | Remedy |
|---|---|---|---|---|---|
| 25V-666 | Oct 6, 2025 | Seat belt anchorage bracket may be improperly welded | Seat belts | 15,841 | Repair or modification |
| 24V-792 | Oct 23, 2024 | Electrical noise and low signal to the power line carrier may cause the ECU to incorrectly process commands or stop working | Electrical system | 59,338 | Software update |
| 24V-773 | Oct 18, 2024 | Tires may not have been DOT tested and confirmed to be sufficient for the vehicles | Tires | 49 | Part replacement |
| 24V-122 | Feb 19, 2024 | Air tanks have an insufficient volume of air for the brake system | Brakes | 10 | Not stated |
| 23V-792 | Nov 22, 2023 | Engine may not return to idle within 2 seconds if the accelerator pedal position sensor becomes disconnected | Speed control | 650 | Software update |
| 23V-600 | Aug 25, 2023 | Turn signals may be positioned incorrectly, reducing their visibility | Lighting | 27,418 | Not stated |
| 23V-143 | Mar 3, 2023 | Front-drive steer axle fasteners may not have been tightened sufficiently and could come loose, resulting in a complete separation of the axle… | Steering | 17 | Part replacement |
| 22V-295 | May 3, 2022 | Air tanks have an insufficient volume of air for the brake system | Brakes | 14 | Repair or modification |
The full text of every complaint filed with NHTSA about this model year, newest first. Complaints are filed by owners and are not verified by NHTSA; NHTSA removes personal details before publishing.
2 complaints on file, page 1 of 1.
The Secondary fuel filter broke from the fuel filter head causing the truck to shut off while driving.
NHTSA complaint 11534350The contact owns a 2023 Mack Granite. The contact stated that while driving at an undisclosed speed, the secondary fuel filter detached, and the vehicle stalled. The vehicle was taken to an independent mechanic, where the vehicle was repaired. The fuel filter was replaced. The manufacturer was made aware of the failure. The failure mileage was approximately 11,443.
NHTSA complaint 11534035Technical service bulletins and other notices the manufacturer sent to dealers. A bulletin is not a recall; the 60 most recent are listed.